Balance bicycle frame



FIG. 1 is a perspective view of a bicycle frame of our new design;

FIG. 2 is a right side elevational view of the bicycle frame of FIG. 1;

FIG. 3 is a left side elevational view of the bicycle frame of FIG. 1;

FIG. 4 is a rear elevational view of the bicycle frame of FIG. 1;

FIG. 5 is a front elevational view of the bicycle frame of FIG. 1;

FIG. 6 is a top plan view of the bicycle frame of FIG. 1; and,

FIG. 7 is a bottom plan view of the bicycle frame of FIG. 1.

The broken line showing the wheels, tires, handlebar, brake lines, seat, and other bicycle components are provided for the purpose of illustrating environmental structure for the balance bicycle frame and form no part of the claimed design. 

CLAIM We claim the ornamental design for a balance bicycle frame, as shown and described. 